Standard Course Week 2
Basic Concepts for Variables 
Tables & Variables 
Table layouts 
More about qualitative variables 
Quantitative data:
Discrete 
Continuous
Ratio
Ordinal
Ranks
Accuracy
Precision
Sources of data
Representing data
Significant figures
Determining suitable precision
Sources of real statistical data
Representing data
Raw data
Simple tables

LEARNING OBJECTIVES FOR THIS WEEK
By the end of this week's study, students should be able to

Distinguish between accuracy and precision
Identify the number of significant figures in a measurement
Apply a specific number of significant figures to any measurement
Determine the suitable (conventional) number of significant figures as a function of range
Present raw data in a variety of suitable formats using EXCEL and WORD
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THIS WEEK'S TEXTBOOK CHAPTERS
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  Statistics Text Chapter 2 -- Data representations URL  Edit title 
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REVIEW
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  qm213_review-questions_wk02 File  Edit title 
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Questions used in the quiz for Week 2.


  Checking for errors in data conversions URL  Edit title 
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Useful guidelines for verifying our work in large datasets.


  Checking for errors after data conversions File  Edit title 
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Practical techniques for spotting mistakes -- something you can use throughout the course.


HOMEWORK ASSIGNMENTS
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  qm213_homework_wk02_part_1.xlsx File  Edit title 
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  qm213_homework_wk02_part_2_graded.xlsx File  Edit title 
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  qm213_homework_wk02_part_2_graded_table-1.txt File  Edit title 
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  qm213_homework_wk02_part_2_graded_table-2.txt File  Edit title 
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  qm213_homework_wk02_part_2_graded_answers.xlsx File  Edit title 
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Hidden from students

  qm213_homework_wk02_rounding-extra-practice.xlsx File  Edit title 
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OPTIONAL practice for students having trouble with choosing the right precision for variables as a function of the range of data. Not graded but does show whether you are right in your choice.


HOMEWORK GRADING & UPLOAD
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  hg_wk02_p2 Quiz  Edit title 
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Homework-grading questions for week 02 exercises part 2. 10 questions, 20 minutes, 1 try. If you find errors in your homework, fix them and then use the hg_wk##r quiz. Higher grade in the hg_wk##r quiz replaces lower grade in hg_wk## quiz.


  hg_wk02_p2r Quiz  Edit title 
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Replacement homework-grading questions for week 02 exercises part 2. 10 questions, 20 minutes, 1 try. If you find errors in your homework using the hg_wk## quiz, fix them and then use the hg_wk##r quiz. Higher grade in the hg_wk##r quiz replaces lower grade in hg_wk## quiz.


  hu02 Assignment  Edit title 
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Upload your completed file < qm213_homework_wk02_part_2_graded.xlsx >. Do NOT upload archive (ZIP, RAR, etc.) files because they force the prof to open them to extract the files.


QUIZ
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  q02 Quiz  Edit title 
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Accuracy and precision. 25 questions, 50 minutes, 1 try.


  q02a Quiz  Edit title 
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  q02r Quiz  Edit title 
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35 questions, 35 minutes, 1 try.

This quiz may be taken ONLY after completing q02.


  q02ar Quiz  Edit title 
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